BIENNIA is a playable word

biennium Scrabble® Dictionary

noun
pl. bienniums or biennia
a period of two years
35 Playable Words can be made from "BIENNIA"
   2-Letter Words (11 found)
   3-Letter Words (13 found)
   4-Letter Words (7 found)
   5-Letter Words (3 found)
   7-Letter Words (1 found)